title: Occurrence of barley yellow dwarf virus in autumn-sown cereal crops in the United Kingdom in relation to field characteristics.
mesh_terms: D000818:Animals; D001042:Aphids / Q000254:growth & development; D002523:Edible Grain / Q000254:growth & development / Q000821:virology*; D001467:Hordeum / Q000254:growth & development / Q000821:virology*; D007303:Insect Vectors / Q000254:growth & development; D017793:Luteovirus / Q000254:growth & development*; D012621:Seasons; D012987:Soil / Q000032:analysis; D013223:Statistics as Topic; D013997:Time Factors; D006113:United Kingdom
chemical_list: D012987:Soil